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The dissolution kinetics of gibbsite in sodium hydroxide at ambient pressure

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dc.contributor.authorGrenman, H.
dc.contributor.authorSalmi, T.
dc.contributor.authorMurzin, D.Y.
dc.contributor.authorAddai Mensah, J.
dc.date.issued2010
dc.description.abstractThe dissolution kinetics of pure gibbsite in concentrated sodium hydroxide solutions was studied. The experiments were performed under ambient pressure and at 60-85 °C. The changes in morphology of the solid phase were studied during the reaction by particle size, porosity, and surface area measurements as well as scanning electron microscopy. Reaction rates were observed to be strongly dependent on temperature and hydroxide concentration. Several kinetic models, based on different representation of the surface area ofgibbsite, were compared to the experimental data and a good correlation between a model incorporatingrough/porous geometry and the experimental data was obtained.
dc.identifier.citationIndustrial & Engineering Chemistry Research, 2010; 49(6):2600-2607
dc.identifier.doi10.1021/ie901803v
dc.identifier.issn0888-5885
dc.identifier.issn1520-5045
dc.identifier.urihttps://hdl.handle.net/1959.8/89380
dc.language.isoen
dc.publisherAmerican Chemical Society
dc.rightsCopyright 2010 American Chemical Society
dc.source.urihttps://doi.org/10.1021/ie901803v
dc.subjectgibbsite
dc.subjectdissolution kinetics
dc.subjectmorphology
dc.titleThe dissolution kinetics of gibbsite in sodium hydroxide at ambient pressure
dc.typeJournal article
pubs.publication-statusPublished
ror.mmsid9915910559001831

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